When you put the glass of water in the freezer, the temperature around it got really cold, which made the thermal energy of the water decrease. As the thermal energy dropped, the water molecules slowed down because they lost kinetic energy. Eventually, the water turned into ice as it reached a temperature where the molecules were close enough to freeze together.
You fill a glass with room temperature water from the sink and then place it in the freezer. After a few hours, you take the glass out and the water is now a solid. In two to three sentences explain what happened to the water in the glass as the temperature decreased. Key words to include for full points: kinetic energy, thermal energy, temperature, and heat.
say it like an 8th grader
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